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Leiden/Argentine/Bonn (LAB) Galactic HI survey
This survey correspond to 21-cm
emission from Galactic neutral hydrogen over the entire sky.
The following map is the result of observations made using the Dwingeloo 25m telescope (δ > -27°
)
and the Villa Elisa 30m telescope (δ < -25°
).
The effective resolution of the map is 40
' for δ > -27°
, 35
' for δ < -25°
,
and 37.5
' for -27° < δ < -25°
.
(see http://adsabs.harvard.edu/abs/2005A%26A...440..775K).
Additional references:
- Hartmann & Burton, 1997, Cambridge University Press, ISBN 0521471117
For more information: http://www.astro.uni-bonn.de/en/download/data/lab-survey/
In units of K km/s
: HI_LAB_II_1_256.fits
In units of column densities: HI_LAB_II_1_256_nh.fits